Sanctioned by law (abbr) (5)
I believe the answer is:
legit
(Other definitions for legit that I've seen before include "Quite proper" , "Lawful, in short" , "Right" , "Such theatre" , "not unlawful" .)
I've seen this clue in The Guardian.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.